Home / 13,113,000.80-19,687,215.90-8,330,031.80

Finding the Fourth Proportional to 13,113,000.80, 19,687,215.90 and 8,330,031.80

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Solution

The fourth proportional to 13,113,000.80, 19,687,215.90 and 8,330,031.80 is: 12,506,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,000.80 : 19,687,215.90 = 8,330,031.80 : x
  2. Step 2: Convert to fraction form
    13,113,000.80/19,687,215.90 = 8,330,031.80/x
  3. Step 3: Cross multiply
    13,113,000.80x = 19,687,215.90 × 8,330,031.80
  4. Step 4: Simplify right side
    13,113,000.80x = 163,995,134,500,465.59
  5. Step 5: Solve for x
    x = 163,995,134,500,465.59/13,113,000.80
  6. Step 6: Final answer
    x = 12,506,300.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.